- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
- F15B 11/20 - Servomotor systems without provision for follow-up action with two or more servomotors controlling several interacting or sequentially-operating members
Patent holdings for IPC class F15B 11/20
Total number of patents in this class: 102
10-year publication summary
|
8
|
10
|
9
|
18
|
18
|
8
|
7
|
7
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allison Transmission, Inc. | 836 |
6 |
| Hitachi Construction Machinery Co., Ltd. | 2646 |
5 |
| Komatsu Ltd. | 4557 |
4 |
| Kubota Corporation | 3919 |
4 |
| Deere & Company | 7625 |
3 |
| AGCO International GmbH | 607 |
3 |
| Sun Hydraulics, LLC | 67 |
3 |
| Toyota Motor Corporation | 32450 |
2 |
| Boston Dynamics, Inc. | 526 |
2 |
| Clark Equipment Company | 309 |
2 |
| Kobelco Construction Machinery Co., Ltd. | 1140 |
2 |
| Palfinger AG | 228 |
2 |
| Volvo Truck Corporation | 3424 |
2 |
| Altus Intervention (technologies) AS | 66 |
2 |
| Xuzhou XCMG Mining Machinery Co., Ltd. | 31 |
2 |
| The Boeing Company | 20084 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
1 |
| Caterpillar Inc. | 9579 |
1 |
| ZF Friedrichshafen AG | 7156 |
1 |
| Schaeffler Technologies AG & Co. KG | 9908 |
1 |
| Other owners | 53 |